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316856955985 = 5219851288247
BaseRepresentation
bin1001001110001100010…
…01010111010001010001
31010021212022021010011021
410213012021113101101
520142410340042420
6401321224115441
731615003454533
oct4470611272121
91107768233137
10316856955985
11112418544889
12514aa905b81
1323b582ba28b
141149bc27853
15839752c7aa
hex49c6257451

316856955985 has 8 divisors (see below), whose sum is σ = 380231395776. Its totient is φ = 253483532400.

The previous prime is 316856955949. The next prime is 316856955997. The reversal of 316856955985 is 589559658613.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 316856955985 - 215 = 316856923217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955132 + ... + 1243378.

It is an arithmetic number, because the mean of its divisors is an integer number (47528924472).

Almost surely, 2316856955985 is an apocalyptic number.

It is an amenable number.

316856955985 is a deficient number, since it is larger than the sum of its proper divisors (63374439791).

316856955985 is a wasteful number, since it uses less digits than its factorization.

316856955985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508103.

The product of its digits is 349920000, while the sum is 70.

The spelling of 316856955985 in words is "three hundred sixteen billion, eight hundred fifty-six million, nine hundred fifty-five thousand, nine hundred eighty-five".

Divisors: 1 5 219851 288247 1099255 1441235 63371391197 316856955985